ADVANCE FOR MONDAY JAN. 28 AND THEREAFTER - FILE - In this Tuesday Jan. 6, 2004 file photo, New Jersey Gov. James E. McGreevey, right, points to the handle of a "smart gun" with grip recognition technology, held by the gun's inventor Michael Recce, associate professor of information systems at New Jersey Institute of Technology in Newark, N.J. When the White House recently called for pushing ahead with such new technology as part of President Obama’s plan to cut gun violence, the administration did not mention the concept’s embattled past. As with so much else in the nation's long-running divisions over gun rights and regulation, what sounds like a futuristic vision is, in fact, an idea that has been kicked around for years, sidelined by intense suspicion, doubts about feasibility and pressure tactics. (AP Photo/Mike Derer, File)